fix user create and delete handling (#4818)

controller/user.go

@@ -782,12 +782,14 @@ func DeleteUser(c *gin.Context) {
 	}
 	err = model.HardDeleteUserById(id)
 	if err != nil {
-		c.JSON(http.StatusOK, gin.H{
-			"success": true,
-			"message": "",
-		})
+		common.ApiError(c, err)
 		return
 	}
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+	})
+	return
 }
 
 func DeleteSelf(c *gin.Context) {